<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script>
		
window.onload = function() {
	// alert(document.test.a.options[1].text);
} 		


	</script>
</head>
<body>
	<form name="test" onsubmit="return false" action="a">
		<select name="a">
			<option value="aaa">123</option>
			<option value="bbb">456</option>
		</select>
		<input type="submit" value="提交" />
	</form>
</body>
</html>